The fluid of membranous labyrinth in human ear is

(1) Perilymph

(2) Endolymph

(3) Otolymph

(4) Cystolymph

Subtopic:  Inner Ear: Cochlea (OLD NCERT) |
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Which of the following will end at oval window(1) and terminate at round window(2) in human ear?

(1) (1) Scala media

(2) (1) Scala tympani

(3) (2) Scala tympani

(4) (2) Scala vestibuli

Subtopic:  Inner Ear: Cochlea (OLD NCERT) |
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Which of the following statement is correct with respect to hair cell of internal ear?

(1) It acts as an optic receptor

(2) Its basal part is in contact of efferent nerve fibres

(3) Stereo cilia are projected from apical part of each hair cell

(4) It is arranged in columns in internal part of organ of corti

Subtopic:  Inner Ear: Cochlea (OLD NCERT) |
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Semi circular canal of internal ear:

(1) Three in number

(2) Lie in different planes

(3) Perpendicular to each other

(4) All of these

Subtopic:  Inner Ear: Vestibular Apparatus (OLD NCERT) |
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Membranous canals suspended in the perilymph of the bony canals. Which of these canals we are talking about?

(1) Semicircular canals

(2) Tectorial canals

(3) Basilar canals

(4) Reissner's canals

Subtopic:  Inner Ear: Vestibular Apparatus (OLD NCERT) |
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These are the events of hearing mechanism. Arrange them in order.
a. Impulse transmission by afferent fibres via auditory nerves to the auditory cortex of the brain
b. Analysis of impulses
c. Recognition of sound
d. Passing of vibrations through oval window on to the fluid of cochlea
e. Induction of ripple in Basilar membrane
f. Receiving of sound waves and directing them to ear drum
g. Transmission of vibration through ear ossicles to oval window
h. Vibration of ear drum in response to sound waves
i. Generation of waves in the lymph of cochlea
j. Basilar membrane moves
k. Bending of hair cell
l. Impulses are generated in the associated afferent neuron
m. Pressing of hair against the Tectorial membrane
1. f-h-g-e-j-k-d-i-c-b-a-l-m
2. f-i-e-h-g-d-j-m-k-l-a-b-c
3. f-d-h-g-i-j-e-k-m-l-a-c-b
4. f-h-g-d-i-e-j-k-m-l-a-b-c

Subtopic:  Inner Ear: Cochlea (OLD NCERT) |
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Which of the following is true for basilar membrane?

(1) Waves in the lymph induce a ripple in basilar membrane

(2) Basilar membrane moves and presses hair against the tectorial membrane.

(3) Transmission of auditory information to the auditory cortex

(4) Both A and B

Subtopic:  Inner Ear: Cochlea (OLD NCERT) |
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The impulses of sound waves are analysed and recognised in which area of brain?

(1) Auditory medulla

(2) Auditory cortex

(3) Auditory fissure

(4) Auditory ridges

Subtopic:  Inner Ear: Cochlea (OLD NCERT) |
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The ripple in basilar membrane is actually induced by

(1) Waves in the lymph

(2) Waves in the ear drum

(3) Waves in the meatus

(4) Waves in the oval window

Subtopic:  Inner Ear: Cochlea (OLD NCERT) |
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Find the incorrect match.

(1) Bony labyrinth- series of channels

(2) Inside of bony labyrinth- membranous labyrinth

(3) Bony labyrinth- surrounding fluid is perilymph

(4) Coiled portion of labyrinth-Cochlea

Subtopic:  Inner Ear: Cochlea (OLD NCERT) |
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